Abstract

In general it has been thought that the fat and fatty acids found in feces represent unabsorbed fat of food. In recent years, some changes in this point of view have occurred. Hill and Bloor,1 in 1922, found that certain portions of the fat in the feces of dogs were of the type excreted by the intestinal tract. In 1924, Sperry and Bloor2 demonstrated that fat appeared in the feces of cats and dogs on a fat-free diet. This was confirmed by Holmes and Kerr, 3 in 1923. Sperry4 and Sperry and Angevine5 concluded that desquamation of intestinal epithelium was